# SDR IPXA2018012825968

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 15, 2018
- Submitted: January 29, 2018
- Operation: Air carrier
- Aircraft: [N252UP](https://openairdocs.org/aircraft/N252UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48768
- Aircraft time: 54,937 hours, 11,838 cycles
- System (JASC): [2740 · Stabilizer Control System](https://openairdocs.org/jasc/2740)
- Part: Jackscrew
- Part number: AJH7349503
- Condition: Worn
- Location: Horizontal Stab
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2018012825968

## Discrepancy

INSPECTION TYPE:4C,, LT HORIZONTAL STAB JACKSCREW SPROCKET HAS EXCESSIVE WEAR.  REMOVED AND REPLACED THE JACKSCREW ASSY IAW AMM 27-44-04-400-801, OPS CHECKED GOOD.

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